Lipid-cell interactions. Induction of microvilli on the cell surface by liposomes |
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Authors: | L B Margolis L D Bergelson |
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Affiliation: | 1. A. N. Belozersky Laboratory of Bioorganic Chemistry and Molecular Biology, Moscow State University, Moscow, USSR;2. M. M. Shemyakin Institute of Bioorganic Chemistry of the USSR Academy of Sciences, Moscow, USSR |
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Abstract: | Treatment of cells with sonicated egg lecithin (EL) liposomes induced microvilli on the surface of mouse embryo fibroblasts and cells of an epithelioid MPTR strain. Unsonicated liposomes and sonicated dipalmitoyllecithin (DPL) liposomes do not induce microvilli on the surface of these cells. It is supposed that microvilli induction is caused by modification of the cell surface composition by small liquid-crystalline liposomes (e.g. by fusion with plasma membrane or transfer of some components from the cell surface to liposomes and vice versa). Microvilli induction by lipsomes provides a system for investigation of their role in cell life. |
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